BMW 3: Operating materials
BMW 3 Series G20 (2018-2026) Owners Manual / Operating materials
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Fuel recommendation
General information
Depending on the region, many gas stations sell
fuel that has been customized to winter or
summer conditions. Fuel that is available in winter,
for instance helps make a cold start
Engine oil
General information
The engine oil consumption is dependent on
your driving style and driving conditions.
Therefore, regularly check the engine oil level after
refueling by taking a detailed measurem
Coolant
General information
Coolant consists of water and additives.
Not all commercially available additives are suitable
for the vehicle. Information about suitable additives
is available from a dealer's s
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Trunk lid
Trunk lid and doors
Depending on the vehicle equipment and country
version, this setting may not be offered.
Via iDrive:
1. "CAR".
2. "Settings".
3. "Key button settings".
4. Select the symbol.
5. Select the desired setting:
"Tailgate"
The trunk lid is opened.
"Tailgate and door(s)"
The t
System wiring diagram
G20 PHEV, system wiring diagram for fuel supply
Integrated supply module
Digital Motor Electronics (DME)
Shutoff valve purge air line (only for US version)
Body Domain Controller (BDC)
Fuel filler flap lock
Power distribution box, rear
Fuel pump control electronics
Hybrid pressure ref
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